Perhaps you should try some spelling variations:
personal communications » personal communication, interpersonal communications, internal communications
communications 19 » communications 1, communications 14, communications 6.9
test development » forest development, port development, mena development
development en » developpement en, development menu, development eco
ideologie der » ideologie und, typologie der
der variation » de variation, does variation, die variation
des personal » des personals, der personal, das personal
19 test » 19 tests, 1 test, 19 text

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: ideologie der variation _ des personal communications 19 test development en afrique.*.